Crossword Genius

Fastened up, like a public house (6)

Ross

I believe the answer is:

barred

I'm a little stuck... Click here to teach me more about this clue!

'fastened' is the definition.
(barring is a kind of fastening)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for barred that I've seen before include "Excluded, blocked" , "Refused entry to local pub" , "Prohibited" , "Refused access to, say pub" , "Wouldn't allow" .)

I've seen this clue in The Irish Independent.
Want a hint initially instead of a full solution? Install my app